Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Rooyen, M (Marcelle)

Chess SA id

1120159680

FIDE id

Date of birth

2012-01-01 (U14)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1233.4	1238.5	1200	1200
Raw rating	1233.4	1238.5	1200	1200
Weighted rating	1233	1238	1200	1200
Weighted performance	0	0	0	0
Floor	743.9	752.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.1	157	165.8	165.8
Highest rating	1378 2023-08-01	1378.2 2023-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1243.9 2023-09-01	1252.9 2023-09-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1243.9 2025-07-01	1252.9 2025-06-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1378 2023-08-01	1378.2 2023-08-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1233.4	1238.5	1200	1200
Analysis
Rating	1233.4	1238.5	1200	1200
Raw rating	1233.4	1238.5	1200	1200
Weighted rating	1233	1238	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	743.9	752.9	700	700
Max/Min rating change allowed	158.1	157	165.8	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1233.4	1238.5	1200	1200
New weighted rating	1233	1237.9	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1233.4	1238.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1233.4	1238.5	1200	1200
New K-factor	36	36	36	36
New floor	743.9	752.9	700	700

Item	Main	Standard
	0	0
	0	0
	5	5
	9	9
	0	0
	0	0
History	14	14

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	8	57.14	60.7	1213.1	1273.8
Standard	14	8	57.14	60.7	1213.1	1273.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1233.4	1238.5	1200	1200
2025-09-01	1233.4	1238.5	1200	1200
2025-08-01	1233.4	1238.5	1200	1200
2025-07-01	1233.4	1238.5	1200	1200
2025-06-01	1233.4	1238.5	1200	1200
2025-05-01	1233.3	1238.4	1200	1200
2025-04-01	1233.1	1238.2	1200	1200
2025-03-01	1232.8	1237.9	1200	1200
2025-02-01	1232.4	1237.4	1200	1200
2025-01-01	1231.7	1236	1200	1200
2024-12-01	1231.7	1236	1200	1200
2024-11-01	1231.7	1236	1200	1200
2024-10-01	1231.7	1236	1200	1200
2024-09-01	1231.7	1236	1200	1200
2024-08-01	1231.7	1236	1200	1200
2024-07-01	1231.7	1236	1200	1200
2024-06-01	1231.7	1236	1200	1200
2024-08-01	1231.7	1236	1200	1200
2024-04-01	1231.7	1236	1200	1200
2024-03-01	1231.7	1236	1200	1200
2024-02-01	1243.9	1252.9	1200	1200
2024-01-01	1243.9	1252.9	1200	1200
2023-12-01	1243.9	1252.9	1200	1200
2023-11-01	1243.9	1252.9	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mossel Bay Schools Trials 2 2024 (U13)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
2	2023 Gauteng North School District CLOSED League Championships (D1)	2023-08-05	2023-08-05	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
3	Mossel Bay Top Schools 2023 (U11)	2023-07-29	2023-07-29	Standard	Eden (WEG)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2023 Gauteng North School District CLOSED League Championships				Tournament Mossel Bay Schools Trials 2 2024
		date 2023-08-05	rnd 3	type Standard	result 1	date 2024-02-17	rnd 1	type Standard	result 1
		Opponent Wiehahn, H (Hailey)				Opponent Greyling, L (Liane)
2	2	Tournament Mossel Bay Schools Trials 2 2024				Tournament Mossel Bay Schools Trials 2 2024
		date 2024-02-17	rnd 3	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 0.5
		Opponent Weng, X (Xinyu)				Opponent Lebatie, T (Thorne)
3	2	Tournament Mossel Bay Top Schools 2023				Tournament Mossel Bay Top Schools 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 0.5
		Opponent Steenberg, A (Ava)				Opponent Muzhange, J (Jamal)

#	Games	Start				End
1	4	Tournament 2023 Gauteng North School District CLOSED League Championships				Tournament Mossel Bay Schools Trials 2 2024
		date 2023-08-05	rnd 3	type Standard	result 1	date 2024-02-17	rnd 1	type Standard	result 1
		Opponent Wiehahn, H (Hailey)				Opponent Greyling, L (Liane)
2	2	Tournament Mossel Bay Schools Trials 2 2024				Tournament Mossel Bay Schools Trials 2 2024
		date 2024-02-17	rnd 3	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 0.5
		Opponent Weng, X (Xinyu)				Opponent Lebatie, T (Thorne)
3	2	Tournament Mossel Bay Top Schools 2023				Tournament Mossel Bay Top Schools 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 0.5
		Opponent Steenberg, A (Ava)				Opponent Muzhange, J (Jamal)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2023 Gauteng North School District CLOSED League Championships				Tournament Mossel Bay Schools Trials 2 2024
		date 2023-08-05	rnd 3	type Standard	result 1	date 2024-02-17	rnd 1	type Standard	result 1
		Opponent Wiehahn, H (Hailey)				Opponent Greyling, L (Liane)
2	1	Tournament Mossel Bay Schools Trials 2 2024				Tournament Mossel Bay Schools Trials 2 2024
		date 2024-02-17	rnd 3	type Standard	result 1	date 2024-02-17	rnd 3	type Standard	result 1
		Opponent Weng, X (Xinyu)				Opponent Weng, X (Xinyu)
3	1	Tournament 2023 Gauteng North School District CLOSED League Championships				Tournament 2023 Gauteng North School District CLOSED League Championships
		date 2023-08-05	rnd 1	type Standard	result 1	date 2023-08-05	rnd 1	type Standard	result 1
		Opponent Chiloane, A (Angel)				Opponent Chiloane, A (Angel)

#	Games	Start				End
1	4	Tournament 2023 Gauteng North School District CLOSED League Championships				Tournament Mossel Bay Schools Trials 2 2024
		date 2023-08-05	rnd 3	type Standard	result 1	date 2024-02-17	rnd 1	type Standard	result 1
		Opponent Wiehahn, H (Hailey)				Opponent Greyling, L (Liane)
2	1	Tournament Mossel Bay Schools Trials 2 2024				Tournament Mossel Bay Schools Trials 2 2024
		date 2024-02-17	rnd 3	type Standard	result 1	date 2024-02-17	rnd 3	type Standard	result 1
		Opponent Weng, X (Xinyu)				Opponent Weng, X (Xinyu)
3	1	Tournament 2023 Gauteng North School District CLOSED League Championships				Tournament 2023 Gauteng North School District CLOSED League Championships
		date 2023-08-05	rnd 1	type Standard	result 1	date 2023-08-05	rnd 1	type Standard	result 1
		Opponent Chiloane, A (Angel)				Opponent Chiloane, A (Angel)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Fillies ,K (Kira)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Fillies ,K (Kira)	1	1250.2	825.2	1	1252.4	825.2	0	0	0	0	0	0
2	Muzhange ,J (Jamal)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Muzhange ,J (Jamal)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
3	Grobler ,D (Divan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Grobler ,D (Divan)	1	1294.1	869.1	1	1308.1	869.1	0	0	0	0	0	0
4	Steenberg ,A (Ava)	1	1	425	1	1	425	0	0	0	0	0	0
4	Steenberg ,A (Ava)	1	1166.5	1591.5	1	1160.4	1591.5	0	0	0	0	0	0
5	Kabini ,T (Thandiwe)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kabini ,T (Thandiwe)	1	1258.9	1683.9	1	1270.6	1683.9	0	0	0	0	0	0
6	Malobola ,S (Siyabonga)	1	1	425	1	1	425	0	0	0	0	0	0
6	Malobola ,S (Siyabonga)	1	1215.8	1640.8	1	1216.2	1640.8	0	0	0	0	0	0
7	Chiloane ,A (Angel)	1	1	425	1	1	425	0	0	0	0	0	0
7	Chiloane ,A (Angel)	1	1168.3	1593.3	1	1161.5	1593.3	0	0	0	0	0	0
8	Van Loggerenberg ,M (Matthys)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Van Loggerenberg ,M (Matthys)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Weng ,X (Xinyu)	1	1	425	1	1	425	0	0	0	0	0	0
9	Weng ,X (Xinyu)	1	1104.7	1529.7	1	1088	1529.7	0	0	0	0	0	0
10	Gribble ,D (Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Gribble ,D (Daniel)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Van Rooyen, M (Marcelle)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms